In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called

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Important Questions on How do Organisms Reproduce?

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE BIOLOGY For Class X>Chapter 3 - How do Organisms Reproduce?>EXERCISE>Q 13

Vegetative propagation refers to the formation of new plants from

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE BIOLOGY For Class X>Chapter 3 - How do Organisms Reproduce?>EXERCISE>Q 14

Factors responsible for the rapid spread of bread-mold on slices of bread are

(i) a large number of spores.
(ii) availability of moisture and nutrients in bread.
(iii) presence of tubular branched hyphae.
(iv) formation of round shaped sporangia.

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE BIOLOGY For Class X>Chapter 3 - How do Organisms Reproduce?>EXERCISE>Q 15

Length of pollen tube depends on the distance between

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE BIOLOGY For Class X>Chapter 3 - How do Organisms Reproduce?>EXERCISE>Q 16

Which of the following statements are true for flowers?
(i) Flowers are always bisexual.
(ii) They are the sexual reproductive organs.
(iii) They are produced in all groups of plants.
(iv) After fertilization, they give rise to fruits.

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE BIOLOGY For Class X>Chapter 3 - How do Organisms Reproduce?>EXERCISE>Q 17

Which among the following statements are true for unisexual flowers?

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE BIOLOGY For Class X>Chapter 3 - How do Organisms Reproduce?>EXERCISE>Q 18

Which among the following statements are true for sexual reproduction in flowering plants?
(i) It requires two types of gametes
(ii) Fertilisation is a compulsory event
(iii) It always results in formation of zygote
(iv) Offspring formed are clones

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10th CBSE

IMPORTANT

Eduwiser's CBSE BIOLOGY For Class X>Chapter 3 - How do Organisms Reproduce?>EXERCISE>Q 19

In the figure given below arrange the parts A, B and C sequentially.

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